<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Spring Security Example</title>
</head>
<body>
    <div th:if="${param.error}">Invalid username and password.</div>
    <div th:if="${param.logout}">You have been logged out.</div>
    <form th:action="@{/login}" method="post">
        <div>
            <label> User Name : <input type="text" name="username"/> </label>
        </div>
        <div>
            <label> Password: <input type="password" name="password"/> </label>
        </div>
        <div><input type="submit" value="Sign In"/></div>
    </form>
</body>
</html>